Yamaha WR 250 Z [1992-1998] - cast pistons

PROX cast piston for Yamaha WR 250 Z from 1992 to 1998

The PROX cast piston is assigned to the Yamaha WR 250 Z in the entire model year range 1992-1998. Its design is tailored to the specified engine and dimensional data of this vehicle and supports a targeted selection when replacing the piston.

Design and technical features

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 67.96 mm
• Letter oversize: C
• Oversize: +0.02
• Stroke: 2T
• Specificity: Domed piston / Reed cutout / MoS2 coating

The cast aluminum version combines the specified dimensions with standard compression. The diameter of 67.96 mm as well as the marking C and the oversize of +0.02 are used for clear assignment within the specified piston version. Before selecting, the existing engine should be checked based on these values ​​and the vehicle assignment.

Vehicle assignment

Suitable for Yamaha WR 250 Z, built between 1992 and 1998. The assignment refers to this model and this complete year range.

Factual advice on selection

For a suitable selection, the piston diameter, the oversize letter C, the oversize +0.02 and the 2T version are particularly relevant. The curved piston shape, the reed cutout and the MoS2 coating are specified as specific features of this PROX version.